/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.web.tomcat.service.injection;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Collection;
import java.util.Map;
import javax.annotation.Resource;
import javax.annotation.Resources;
import javax.ejb.EJBContext;
import javax.ejb.EJBException;
import javax.ejb.TimerService;
import javax.transaction.UserTransaction;
import javax.xml.ws.WebServiceContext;
import org.jboss.ejb3.Container;
import org.jboss.injection.AbstractPropertyInjector;
import org.jboss.injection.EnvEntryEncInjector;
import org.jboss.injection.InjectionContainer;
import org.jboss.injection.InjectionHandler;
import org.jboss.injection.InjectionUtil;
import org.jboss.injection.Injector;
import org.jboss.injection.InjectorFactory;
import org.jboss.injection.JndiPropertyInjector;
import org.jboss.injection.LinkRefEncInjector;
import org.jboss.injection.TimerServicePropertyInjector;
import org.jboss.injection.ValueEncInjector;
import org.jboss.injection.lang.reflect.BeanProperty;
import org.jboss.injection.lang.reflect.FieldBeanProperty;
import org.jboss.injection.lang.reflect.MethodBeanProperty;
import org.jboss.logging.Logger;
import org.jboss.metadata.javaee.spec.EnvironmentEntryMetaData;
import org.jboss.metadata.javaee.spec.MessageDestinationReferenceMetaData;
import org.jboss.metadata.javaee.spec.RemoteEnvironment;
import org.jboss.metadata.javaee.spec.ResourceEnvironmentReferenceMetaData;
import org.jboss.metadata.javaee.spec.ResourceReferenceMetaData;
import org.jboss.reflect.plugins.ValueConvertor;
import org.jboss.tm.usertx.client.ServerVMClientUserTransaction;
import org.omg.CORBA.ORB;
/**
* RemoteEnvironment InjectionHandler for web components
*
* @param <X> the remote environment type
* @author Scott.Stark@jboss.org
* @version $Revision: 109340 $
*/
public class WebResourceHandler<X extends RemoteEnvironment> implements InjectionHandler<X>
{
private static final Logger log = Logger.getLogger(WebResourceHandler.class);
private boolean checkEncInjectors;
public WebResourceHandler()
{
this(true);
}
public WebResourceHandler(boolean checkEncInjectors)
{
this.checkEncInjectors = checkEncInjectors;
}
private static void createURLInjector(String encName, String mappedName, InjectionContainer container)
{
assert encName.length() > 0 : "encName is empty";
assert mappedName.length() > 0 : "mappedName is empty";
// Create a URL from the mappedName
try
{
URL url = new URL(mappedName.trim());
container.getEncInjectors().put(encName, new ValueEncInjector(encName, url, "@Resource"));
}
catch (MalformedURLException e)
{
throw new RuntimeException("failed to create url injector for: " + encName, e);
}
}
private static void loadEnvEntry(InjectionContainer container, Collection<EnvironmentEntryMetaData> envEntries)
{
for (EnvironmentEntryMetaData envEntry : envEntries)
{
String encName = "env/" + envEntry.getEnvEntryName();
// 16.4.1.3: If the env-entry-value is not specified, no value will be injected and it
// will not be initialized into the naming context.
if (envEntry.getValue() == null)
{
log.debug("ignoring env-entry " + envEntry);
continue;
}
InjectionUtil.injectionTarget(encName, envEntry, container, container.getEncInjections());
if (container.getEncInjectors().containsKey(encName))
continue;
log.trace("adding env-entry injector " + encName);
container.getEncInjectors().put(encName,
new EnvEntryEncInjector(encName, envEntry.getType(), envEntry.getValue()));
}
}
private static void loadXmlResourceRefs(InjectionContainer container, Collection<ResourceReferenceMetaData> refs)
{
for (ResourceReferenceMetaData envRef : refs)
{
String encName = "env/" + envRef.getResourceRefName();
if (container.getEncInjectors().containsKey(encName))
continue;
String mappedName = envRef.getMappedName();
if (mappedName == null || mappedName.length() == 0)
mappedName = envRef.getResolvedJndiName();
if (mappedName == null || mappedName.length() == 0)
{
if (envRef.getResUrl() != null)
{
try
{
container.getEncInjectors().put(encName,
new ValueEncInjector(encName, new URL(envRef.getResUrl().trim()), "<resource-ref>"));
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
}
else if (UserTransaction.class.getName().equals(envRef.getType()))
{
final InjectionContainer ic = container;
InjectorFactory<?> factory = new InjectorFactory<UserTransactionPropertyInjector>()
{
public UserTransactionPropertyInjector create(BeanProperty property)
{
return new UserTransactionPropertyInjector(property, ic);
}
};
if (envRef.getInjectionTargets() != null)
{
TomcatInjectionUtils.createInjectors(container.getEncInjections(), container.getClassloader(),
factory, envRef.getInjectionTargets());
continue;
}
else
{
encName = "java:comp/UserTransaction";
}
}
else if (ORB.class.getName().equals(envRef.getType()))
{
encName = "java:comp/ORB";
}
else
{
throw new RuntimeException("mapped-name is required for " + envRef.getResourceRefName()
+ " of deployment " + container.getIdentifier());
}
}
else if (URL.class.getName().equals(envRef.getType()) && !mappedName.startsWith("java:"))
{
createURLInjector(encName, mappedName, container);
InjectionUtil.injectionTarget(encName, envRef, container, container.getEncInjections());
continue;
}
else if (envRef.getResUrl() != null)
{
try
{
container.getEncInjectors().put(encName,
new ValueEncInjector(encName, new URL(envRef.getResUrl().trim()), "<resource-ref>"));
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
}
else
{
container.getEncInjectors().put(encName, new LinkRefEncInjector(encName, mappedName, "<resource-ref>"));
}
InjectionUtil.injectionTarget(encName, envRef, container, container.getEncInjections());
}
}
private static void loadXmlResourceEnvRefs(InjectionContainer container,
Collection<ResourceEnvironmentReferenceMetaData> refs)
{
for (ResourceEnvironmentReferenceMetaData envRef : refs)
{
String resTypeName = envRef.getType();
String mappedName = envRef.getMappedName();
if (mappedName == null || mappedName.length() == 0)
mappedName = envRef.getResolvedJndiName();
try
{
if (resTypeName != null)
{
Class<?> resType = Class.forName(resTypeName, false, container.getClassloader());
if (TimerService.class.isAssignableFrom(resType))
{
log.warn("Ignoring invalid TimerService resource-env-ref");
continue;
}
else if (EJBContext.class.isAssignableFrom(resType))
{
log.warn("Ignoring invalid EJBContext resource-env-ref");
continue;
}
else if (resType.equals(UserTransaction.class))
{
final InjectionContainer ic = container;
InjectorFactory<?> factory = new InjectorFactory<UserTransactionPropertyInjector>()
{
public UserTransactionPropertyInjector create(BeanProperty property)
{
return new UserTransactionPropertyInjector(property, ic);
}
};
if (envRef.getInjectionTargets() != null)
{
TomcatInjectionUtils.createInjectors(container.getEncInjections(), container.getClassloader(),
factory, envRef.getInjectionTargets());
continue;
}
else
{
mappedName = "java:comp/UserTransaction";
}
}
else if (resType.equals(ORB.class))
{
mappedName = "java:comp/ORB";
continue;
}
else if (WebServiceContext.class.getName().equals(envRef.getType()))
{
// JBAS-5359
InjectorFactory<?> factory = new InjectorFactory<WebServiceContextPropertyInjector>()
{
public WebServiceContextPropertyInjector create(BeanProperty property)
{
return new WebServiceContextPropertyInjector(property);
}
};
if (envRef.getInjectionTargets() != null)
{
TomcatInjectionUtils.createInjectors(container.getEncInjections(), container.getClassloader(),
factory, envRef.getInjectionTargets());
continue;
}
}
}
}
catch (ClassNotFoundException e)
{
throw new EJBException(e);
}
String encName = "env/" + envRef.getResourceEnvRefName();
if (container.getEncInjectors().containsKey(encName))
continue;
if (mappedName == null || mappedName.equals(""))
{
throw new RuntimeException("mapped-name is required for " + envRef.getResourceEnvRefName()
+ " of deployment " + container.getIdentifier());
}
container.getEncInjectors().put(encName,
new LinkRefEncInjector(encName, envRef.getMappedName(), "<resource-ref>"));
InjectionUtil.injectionTarget(encName, envRef, container, container.getEncInjections());
}
}
private static void loadXmlMessageDestinationRefs(InjectionContainer container,
Collection<MessageDestinationReferenceMetaData> refs)
{
for (MessageDestinationReferenceMetaData envRef : refs)
{
String encName = "env/" + envRef.getMessageDestinationRefName();
// if (container.getEncInjectors().containsKey(encName))
// continue;
// String jndiName = envRef.getMappedName();
// if (jndiName == null || jndiName.equals(""))
// {
// jndiName = envRef.getResolvedJndiName();
// if (jndiName == null || jndiName.equals(""))
// throw new RuntimeException("mapped-name is required for " + envRef.getMessageDestinationRefName()
// + " of deployment " + container.getIdentifier());
// }
// container.getEncInjectors().put(encName,
// new LinkRefEncInjector(encName, jndiName, "<message-destination-ref>"));
InjectionUtil.injectionTarget(encName, envRef, container, container.getEncInjections());
}
}
public void loadXml(X xml, InjectionContainer container)
{
if (xml == null)
return;
if (xml.getMessageDestinationReferences() != null)
loadXmlMessageDestinationRefs(container, xml.getMessageDestinationReferences());
// if (xml.getResourceEnvironmentReferences() != null)
// loadXmlResourceEnvRefs(container, xml.getResourceEnvironmentReferences());
if (xml.getResourceReferences() != null)
loadXmlResourceRefs(container, xml.getResourceReferences());
// if (xml.getEnvironmentEntries() != null)
// loadEnvEntry(container, xml.getEnvironmentEntries());
}
public void handleClassAnnotations(Class<?> clazz, InjectionContainer container)
{
Resources resources = container.getAnnotation(Resources.class, clazz);
if (resources != null)
{
for (Resource ref : resources.value())
{
handleClassAnnotation(ref, container, clazz);
}
}
Resource res = container.getAnnotation(Resource.class, clazz);
if (res != null)
handleClassAnnotation(res, container, clazz);
}
private void handleClassAnnotation(Resource ref, InjectionContainer container, Class<?> clazz)
{
String encName = ref.name();
if (encName == null || encName.equals(""))
{
throw new RuntimeException("JBoss requires name() for class level @Resource");
}
encName = "env/" + ref.name();
if (container.getEncInjectors().containsKey(encName))
return;
String mappedName = ref.mappedName();
if (mappedName == null || mappedName.equals(""))
{
// Handle class level @Resource(type=ORB.class)
if (ORB.class.isAssignableFrom(ref.type()))
{
mappedName = "java:comp/ORB";
}
else if (UserTransaction.class.isAssignableFrom(ref.type()))
{
mappedName = "java:comp/UserTransaction";
}
else
{
throw new RuntimeException("You did not specify a @Resource.mappedName() for name: " + ref.name()
+ ", class: " + clazz.getName() + " and there is no binding for that enc name in XML");
}
}
if (ref.type() == URL.class)
{
createURLInjector(encName, mappedName, container);
}
else
{
container.getEncInjectors().put(encName, new LinkRefEncInjector(encName, ref.mappedName(), "@Resource"));
}
}
public void handleMethodAnnotations(Method method, InjectionContainer container,
Map<AccessibleObject, Injector> injectors)
{
Resource ref = container.getAnnotation(Resource.class, method);
if (ref == null)
return;
log.trace("method " + method + " has @Resource");
handlePropertyAnnotation(ref, new MethodBeanProperty(method), container, injectors);
}
public void handleFieldAnnotations(Field field, InjectionContainer container,
Map<AccessibleObject, Injector> injectors)
{
Resource ref = container.getAnnotation(Resource.class, field);
if (ref == null)
return;
log.trace("field " + field + " has @Resource");
handlePropertyAnnotation(ref, new FieldBeanProperty(field), container, injectors);
}
private void handlePropertyAnnotation(Resource ref, BeanProperty property, InjectionContainer container,
Map<AccessibleObject, Injector> injectors)
{
assert ref != null;
assert property != null;
assert container != null;
assert injectors != null;
String encName = ref.name();
if (encName == null || encName.equals(""))
{
//encName = InjectionUtil.getEncName(field);
encName = property.getDeclaringClass().getName() + "/" + property.getName();
}
if (!encName.startsWith("env/"))
{
encName = "env/" + encName;
}
AccessibleObject accObj = property.getAccessibleObject();
Class<?> type = property.getType();
if (!ref.type().equals(Object.class))
{
type = ref.type();
}
if (type.equals(UserTransaction.class))
{
injectors.put(accObj, new UserTransactionPropertyInjector(property, container));
}
else if (type.equals(TimerService.class))
{
injectors.put(accObj, new TimerServicePropertyInjector(property, (Container) container)); // only EJBs
}
else if (type.equals(URL.class) && ref.mappedName() != null && ref.mappedName().length() > 0)
{
createURLInjector(encName, ref.mappedName(), container);
injectors.put(accObj, new JndiPropertyInjector(property, encName, container.getEnc()));
}
else if (type.equals(String.class) || type.equals(Character.class) || type.equals(Byte.class)
|| type.equals(Short.class) || type.equals(Integer.class) || type.equals(Long.class)
|| type.equals(Boolean.class) || type.equals(Double.class) || type.equals(Float.class)
|| type.isPrimitive())
{
// don't add an injector if no XML <env-entry is present as there will be no value to inject
if (container.getEncInjectors().containsKey(encName))
{
injectors.put(accObj, new JndiPropertyInjector(property, encName, container.getEnc()));
}
else if (ref.mappedName() != null && ref.mappedName().length() > 0)
{
// Use the mappedName as the string value
String s = ref.mappedName().trim();
try
{
Object value = ValueConvertor.convertValue(type, s);
container.getEncInjectors().put(encName, new ValueEncInjector(encName, value, "@Resource"));
injectors.put(accObj, new JndiPropertyInjector(property, encName, container.getEnc()));
}
catch (Throwable t)
{
throw new RuntimeException("Failed to convert: " + ref.mappedName() + " to type:" + type, t);
}
}
else
{
log.warn("Not injecting " + property.getName() + ", no matching enc injector " + encName + " found");
}
}
else
{
if (checkEncInjectors && !container.getEncInjectors().containsKey(encName))
{
String mappedName = ref.mappedName();
if (mappedName == null || mappedName.equals(""))
{
// TODO: is this a nice trick?
// if(ConnectionFactory.class.isAssignableFrom(type))
// {
// // neat little trick
// mappedName = "java:/ConnectionFactory";
// }
// else
if (ORB.class.isAssignableFrom(type))
mappedName = "java:comp/ORB";
else
throw new RuntimeException("You did not specify a @Resource.mappedName() on " + accObj
+ " and there is no binding for enc name " + encName + " in XML");
}
container.getEncInjectors().put(encName, new LinkRefEncInjector(encName, mappedName, "@Resource"));
}
injectors.put(accObj, new JndiPropertyInjector(property, encName, container.getEnc()));
}
}
public static class UserTransactionPropertyInjector extends AbstractPropertyInjector
{
public UserTransactionPropertyInjector(BeanProperty property, InjectionContainer container)
{
super(property);
}
public void inject(Object instance)
{
UserTransaction ut = ServerVMClientUserTransaction.getSingleton();
property.set(instance, ut);
}
}
}